// $Id: brshattr.h 1688 2006-08-10 12:05:20Z gerry $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Xara LX (see the file GPL in the root directory of the distribution); if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ADDITIONAL RIGHTS ----------------- Conditional upon your continuing compliance with the GNU General Public License described above, Xara Group Ltd grants to you certain additional rights. The additional rights are to use, modify, and distribute the software together with the wxWidgets library, the wxXtra library, and the "CDraw" library and any other such library that any version of Xara LX relased by Xara Group Ltd requires in order to compile and execute, including the static linking of that library to XaraLX. In the case of the "CDraw" library, you may satisfy obligation under the GNU General Public License to provide source code by providing a binary copy of the library concerned and a copy of the license accompanying it. Nothing in this section restricts any of the rights you have under the GNU General Public License. SCOPE OF LICENSE ---------------- This license applies to this program (XaraLX) and its constituent source files only, and does not necessarily apply to other Xara products which may in part share the same code base, and are subject to their own licensing terms. This license does not apply to files in the wxXtra directory, which are built into a separate library, and are subject to the wxWindows license contained within that directory in the file "WXXTRA-LICENSE". This license does not apply to the binary libraries (if any) within the "libs" directory, which are subject to a separate license contained within that directory in the file "LIBS-LICENSE". ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS ---------------------------------------------- Subject to the terms of the GNU Public License (see above), you are free to do whatever you like with your modifications. However, you may (at your option) wish contribute them to Xara's source tree. You can find details of how to do this at: http://www.xaraxtreme.org/developers/ Prior to contributing your modifications, you will need to complete our contributor agreement. This can be found at: http://www.xaraxtreme.org/developers/contribute/ Please note that Xara will not accept modifications which modify any of the text between the start and end of this header (marked XARAHEADERSTART and XARAHEADEREND). MARKS ----- Xara, Xara LX, Xara X, Xara X/Xtreme, Xara Xtreme, the Xtreme and Xara designs are registered or unregistered trademarks, design-marks, and/or service marks of Xara Group Ltd. All rights in these marks are reserved. Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // Brush Attribute header #ifndef INC_BRSHATTR #define INC_BRSHATTR //#include "attrval.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "cxfrech.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "nodeattr.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "brshdata.h" #include "brpress.h" #include "samplist.h" class BrushPointInfo; class FreeHandTool; class CDistanceSampler; #define BRUSHPOINTSCACHE #define PRESSURE_INVALID 65536 /******************************************************************************************** > class BrushAttrValue : public AttributeValue Author: Diccon_Yamanaka (Xara Group Ltd) Created: 7/1/97 Purpose: Brush attribute value Notes: This AttrValue just contains a pointer to a path processor which will apply brush path objects and attributes to the attributee, so to speak. ********************************************************************************************/ class BrushAttrValue : public AttributeValue { CC_DECLARE_DYNAMIC(BrushAttrValue) #ifdef NEWFASTBRUSHES private: NodeBitmap* pCachedBitmap; Node* pBoundsParent; public: NodeBitmap* GetCachedBitmap () { return (pCachedBitmap); } void SetBoundsParent (Node* parent) { pBoundsParent = parent; } Node* GetBoundsParent () { return (pBoundsParent); } void SetCachedBitmap (NodeBitmap* pBitmap) { pCachedBitmap = pBitmap; } #endif public: // Construction/Initialisation BrushAttrValue(); BrushAttrValue(PathProcessorBrush *pPathProcessor); ~BrushAttrValue(); static BOOL Init(void); public: // Overridden access methods virtual void Render(RenderRegion *pRegion, BOOL Temp = FALSE); virtual void Restore(RenderRegion *pRegion, BOOL Temp); virtual void GoingOutOfScope(RenderRegion *pRegion); virtual void SimpleCopy(AttributeValue *pValue); virtual NodeAttribute *MakeNode(); virtual BOOL IsDifferent(AttributeValue *pAttr); virtual BrushAttrValue &operator=(BrushAttrValue &Attrib); virtual INT32 operator==(const BrushAttrValue &Attrib); virtual BOOL Blend(BlendAttrParam* pBlendParam); BOOL DoBecomeA(BecomeA* pBecomeA, Node* pParent); //Bounding box functions BOOL EffectsParentBounds(); DocRect GetAttrBoundingRect(NodeRenderableInk* pParent = NULL, CCAttrMap* pAttribMap = NULL); static BOOL RotateBounds(double Angle, DocRect* pBounds, DocCoord* pCentre = NULL ); void SetCachedRect(DocRect Rect); void TransformCachedRect(TransformBase& Trans); public: // interface to the path processor void SetPathProcessor(PathProcessorBrush *pNewProcessor); PathProcessorBrush *GetPathProcessor(void) const { return(m_pProcessor); }; // Get the path processor for this Brush type (may be NULL) // access to the various caches that we use public: // access to the points cache void FlushCache(); // flushes the points cache void TransformCache(TransformBase& Trans); // transform the points in the cache void SetCache(PointsMap* pMap); PointsMap* GetCache() {return m_pCachedPoints;} public: // access to the timestamp cache TimeStampList* GetTimeStampList() { return m_pTimeStampList;} void SetTimeStampList(TimeStampList* pList); BOOL IsTimeStamping(); // access to our repositioning flag void SetTimeStampUpdateType(ListUpdateType Update); ListUpdateType GetTimeStampUpdateType(); // functions to make sure the timestamp list is all in order void CalculateProportionalDistances(MILLIPOINT PathLength); void TransformTimeStampList(TransformBase& Trans); BOOL DeleteTimeStampPoints(MILLIPOINT StartDistance, MILLIPOINT EndDistance, TimeStampList* pRemovedPoints = NULL); BOOL DeleteTimeStampPoints(MILLIPOINT StartDistance, UINT32 NumPoints, TimeStampList* pRemovedPoints = NULL); BOOL AddTimeStampPoints(TimeStampList* pNewPoints, MILLIPOINT StartDistance); BOOL RecalculateTimeStampList(Path* pPath); BOOL RepositionPointsByProportion(Path* pPath); BOOL RepositionPointsByPosition(Path* pPath); TimeStampList* CopyTimeStampList(); BOOL WriteTimeStampList(BaseCamelotFilter *pFilter); public: // access to the old pressure cache void SetPresssureCache(CDistanceSampler* pPress); CDistanceSampler* GetPressureCache(); UINT32 GetPressureValue(UINT32 Index); BOOL SetPressureValue(UINT32 Index, PressureItem Value); void CalculatePressureArrayProportions(MILLIPOINT PathLength); public: // access to the new pressure cache void PressureSpacingChange(MILLIPOINT OldSpacing, MILLIPOINT NewSpacing); void FlushPressureCache(); INT32 GetPressureListIndexAtDistance(MILLIPOINT Distance); // functions to add to or remove points from our list BOOL DeletePressurePoints(MILLIPOINT StartDistance, MILLIPOINT EndDistance, SampleArray* pRemovedPoints = NULL); BOOL DeletePressurePoints(UINT32 StartIndex, size_t NumPoints, SampleArray* pRemovedPoints = NULL); BOOL AddPressurePoints(CSampleData* pNewPoints, MILLIPOINT StartDistance); BOOL AddPressurePoints(CSampleData* pNewPoints, UINT32 StartIndex); // access to our repositioning flag void SetPressureUpdateType(ListUpdateType Update); ListUpdateType GetPressureUpdateType(); CDistanceSampler* CopyPressureCache(); // makes a duplicate pressure cache BOOL WritePressureData(BaseCamelotFilter *pFilter); // writes the list to a filter protected: // pressure helper fns. BOOL RepositionPressureDataByPosition(Path* pPath); public: // line width functions void ScaleToLineWidth(MILLIPOINT Width); MILLIPOINT GetDefaultLineWidth(BOOL IgnorePressure = FALSE); // access to our brush definition BrushDefinition* GetBrushDefinition(void); BrushHandle GetBrushHandle(void); protected: // helper functions void InitialisePointsCache(); void FlushTimeStampCache(); // time stamp data is too valuable to be public static void ShuffleArrayUp(PressureArray* pPressure, UINT32 StartIndex); static void ShuffleArrayDown(PressureArray* pPressure, UINT32 StartIndex); static UINT32 BlendUINT32(UINT32 First, UINT32 Second, double BlendRatio); static INT32 BlendINT32(INT32 First, INT32 Second, double BlendRatio); static double BlendDouble(double First, double Second, double BlendRatio); // timestamping helpers BOOL RecalculateDistances(Path* pPath); BOOL RecalculateTangents(Path* pPath); BOOL SortTimeStampingList(); BOOL GetRidOfCrapFromList(Path* pPath); private: PathProcessorBrush *m_pProcessor; // Pointer to the PPS we use (if any) #ifdef BRUSHPOINTSCACHE PointsMap* m_pCachedPoints; // caches the points along the path (unless we're timestamping) #endif TimeStampList* m_pTimeStampList; // if we are using timestamped points keep 'em here PressureArray* m_pPressureVals; CDistanceSampler* m_pPressureSampler; // the latest incarnation of the pressure data cache DocRect m_CachedBRect; ListUpdateType m_TimeStampUpdateType; // indicates what kind of update we have to perform on // the timestamping list following an edit ListUpdateType m_PressureUpdateType; }; /*********************************************************************************************** > class AttrBrushType : public NodeAttribute Author: Jason_Williams (Xara Group Ltd) Created: 7/1/97 Purpose: BrushType attribute BrushType attributes are very simple, and merely contain a BrushTypeAttrValue, which is the entity which holds all the info and does all the work. ***********************************************************************************************/ class AttrBrushType : public NodeAttribute { CC_DECLARE_DYNCREATE(AttrBrushType) public: // Constructors AttrBrushType(); AttrBrushType(Node *ContextNode, AttachNodeDirection Direction, BOOL Locked = FALSE, BOOL Mangled = FALSE, BOOL Marked = FALSE, BOOL Selected = FALSE); ~AttrBrushType(); public: // regular attribute virtual fns. virtual void Render(RenderRegion *pRender); virtual void CopyNodeContents(AttrBrushType *NodeCopy); virtual INT32 operator==(const NodeAttribute& NodeAttrib); virtual Node *SimpleCopy(); virtual UINT32 GetAttrNameID(void); virtual void GetDebugDetails(StringBase *Str); virtual UINT32 GetNodeSize() const; virtual void Transform( TransformBase& ); virtual BOOL WritePreChildrenWeb(BaseCamelotFilter *pFilter); virtual BOOL WritePreChildrenNative(BaseCamelotFilter *pFilter); virtual AttributeValue* GetAttributeValue() { return(&m_Value); }; virtual BOOL NeedsTransparency() const; virtual BOOL Blend(BlendAttrParam* pBlendParam); virtual SubtreeRenderState RenderSubtree(RenderRegion *pRender, Node** ppNextNode = NULL, BOOL bClip = TRUE); BOOL DoBecomeA(BecomeA* pBecomeA, Node* pParent); virtual void PolyCopyNodeContents(NodeRenderable* pNodeCopy); //Bounding box functions virtual BOOL EffectsParentBounds(); virtual DocRect GetAttrBoundingRect(NodeRenderableInk* pParent = NULL, CCAttrMap* pAttribMap = NULL); virtual BOOL IsABrush() const; virtual BOOL ShouldBeOptimized() { return TRUE;} void NodePathUpdated(Path* pPath); BOOL OnReplaceAttribute(AttrBrushType* pOther); // call when this attribute is being used to replace pOther public: // access functions - these are actually an interface to the path processor // of m_Value String_32 GetBrushName(); BOOL SetSpacing(MILLIPOINT NewSpacing); BOOL SetScaling(double NewScale); BOOL SetPathOffsetType(PathOffset NewOffsetType); BOOL SetPathOffsetValue(MILLIPOINT NewOffsetValue); BOOL SetTiled(BOOL Tiled); BOOL SetRotated(BOOL Rotated); BOOL SetRotateAngle(double NewAngle); PathProcessorBrush* GetPathProcessor(); BrushDefinition* GetBrushDefinition(); BrushHandle GetBrushHandle(void); MILLIPOINT GetSpacing(); MILLIPOINT GetDefaultLineWidth(BOOL IgnorePressure = FALSE); void SetUseLocalTransp(BOOL UseTransp); public: // Cache access functions void FlushCache(); void SetCache(PointsMap* pMap); PointsMap* GetCache(); // timestamping access fns. TimeStampList* GetTimeStampList(); BOOL IsTimeStamping(); // pressure access fns. void SetPressureCache(CDistanceSampler* pSamp); CDistanceSampler* GetPressureCache(); BOOL ContainsPressureCache(); BOOL ReversePressureCache(); // reverse list belonging to this attribute BOOL CanUsePointsCache(); // assorted other access fns. MILLIPOINT GetAppliedLineWidth(); void SetValueToScaleTo(MILLIPOINT LineWidth); DocColour GetLocalStrokeColour(); void SetBlendedStrokeColour(DocColour* pCol); UINT32 GetLocalTranspValue(); UINT32 GetLocalTranspType(); static BOOL RotateBounds(double Angle, DocRect* pBounds) ; void ClearCachedRect(); void SetFreeHandTool(FreeHandTool* pTool); public: // BrushData functions void InitialiseBrushData(); BrushData GetBrushData(); void SetBrushData(BrushData NewData); public: // other void GetMaxScalingFromDefinition(); BOOL IsParentSelected(); protected: void FindNearestStrokeColour(); // looks for the nearest applied stroke colour and caches it void FindNearestStrokeTransp(); protected: BrushAttrValue m_Value; DocColour* m_pLocalStrokeColour; // the nearest stroke colour DocColour* m_pBlendedStrokeColour; // the current stroke colour if we are in a blend BrushData m_BrushData; FreeHandTool* m_pFreeTool; UINT32 m_LocalTranspValue; // stores the applied stroke transparency UINT32 m_LocalTranspType; }; /*********************************************************************************************** > class BrushAttrRecordHandler : public CamelotRecordHandler Author: Diccon_Yamanaka (Xara Group Ltd) Created: 7/1/97 Purpose: Handles the reading of all brush attribute records ***********************************************************************************************/ class CXaraFileRecord; class BrushAttrRecordHandler : public CamelotRecordHandler { CC_DECLARE_DYNAMIC(BrushAttrRecordHandler); public: BrushAttrRecordHandler() : CamelotRecordHandler() { m_pLastAttribute = NULL;} ~BrushAttrRecordHandler() {} // functions that must be implemented. virtual UINT32 *GetTagList(); virtual BOOL HandleRecord(CXaraFileRecord *pCXaraFileRecord); // handling of atomic TAG_STROKEDEFINITION tags virtual BOOL BeginSubtree(UINT32 Tag); virtual BOOL EndSubtree(UINT32 Tag); protected: //helper functions BOOL HandleBrushAttributeRecord(CXaraFileRecord* pRecord); BOOL HandleBrushDataRecord(CXaraFileRecord* pRecord); BOOL HandleMoreBrushDataRecord(CXaraFileRecord* pRecord); BOOL HandleMoreBrushAttrRecord(CXaraFileRecord* pRecord); BOOL HandleEvenMoreBrushData(CXaraFileRecord* pRecord); BOOL HandleEvenMoreBrushAttr(CXaraFileRecord* pRecord); BOOL HandleTimeStampData(CXaraFileRecord* pRecord); BOOL HandlePressureInfo(CXaraFileRecord* pRecord); BOOL HandleAttrPressureInfo(CXaraFileRecord* pRecord); BOOL HandlePressureData(CXaraFileRecord* pRecord); BOOL HandlePressureSampleData(CXaraFileRecord* pRecord); BOOL HandleAttrFillFlags(CXaraFileRecord* pRecord); BOOL HandleTranspInfo(CXaraFileRecord* pRecord); BOOL HandleAttrTranspInfo(CXaraFileRecord* pRecord); #ifdef XAR_TREE_DIALOG virtual void GetRecordDescriptionText(CXaraFileRecord* pRecord, StringBase* pStr); #endif protected: // keeps track of the last brush attribute we imported static AttrBrushType* m_pLastAttribute; }; #endif